Post Fertilization Structures and Events

Q.

Difference between:

Seed and Fruit

Q. Match the following:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{1. Seed}& \text{a.From ovary wall}\\ \text{2. Pericarp}& \text{b.From ovary}\\ \text{3. Seed coat}& \text{c.From ovule}\\ \text{4. Fruit}& \text{d.From integuments of ovule}\end{array}$

1. 1-c, 2-a, 3-d, 4-b

2. 1-b, 2-c, 3-d, 4-a

3. 1-c, 2-d, 3-c, 4-b

4. 1-a, 2-d, 3-c, 4-b

Q.

Name the parts of the ovary which give rise to:
(a) Seed ___
(b) Fruit ___
(c) Fruit wall ___

Q.

Ovules become fruits.

1. False

2. True

Q.

Which of the following floral parts form the pericarp after fertilisation?

1. Nucellus

2. Outer integument

3. Ovary wall

4. Inner integument

Q. Match the following

1. Testa
2. Tegmen
3. Embryo
4. Disintegrates

Q.

After fertilization, all the parts of a flower usually fall off, except___ in few cases.

Q.

What happens to the following after fertilization?
(a) Ovules
(b) Calyx
(c) Petals
(d) Stamens

Q. After fertilisation becomes the seed and forms the fruit.

1. hilum
2. exine
3. ovary
4. ovule

Q. What is the fate of the following organs of a flower after fertilization?​
(a) Sepals

Q.

what is a mature ovule called ?

Q.

The ovary after fertilization is converted into

1. Embryo

2. Endosperm

3. Fruit

4. Seed
   

Q. Ovule with funiculus lying close to micropyle is known as

1. Anatropous
2. Atropous
3. Campylotropous
4. Orthotropous

Q. An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is

1. Orthotropous
2. Anatropous
3. Hemitropous
4. Campylotropous

Q. State whether the following statement is true or false.
Only one ovule is present in the ovary.

Q. Match the following

1. Testa
2. Tegmen
3. Embryo
4. Disintegrates

Q.

Write similarities and differences between stamen and pistil?

Q. The point of attachment of funicle with chalazal end is called as

1. Placenta
2. Integument
3. Nucellus
4. Hilum

Q.

The state of inactivity of seeds is known as:

1. Senescence

2. Dormancy

3. Juvenile phase

4. Vegetative phase

Q.

Identify the wrong statement regarding post-fertilisation development.

1. The ovary wall develops into pericarp

2. The outer integument of ovule develops into tegmen

3. The primary endosperm nucleus develops into endosperm

4. The ovule develops into seed